Finding the Fourth Proportional to 12,923.78, 17,833.46 and 8,673.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,923.78 : 17,833.46 = 8,673.98 : x
2. Step 2: Convert to fraction form
   12,923.78/17,833.46 = 8,673.98/x
3. Step 3: Cross multiply
   12,923.78x = 17,833.46 × 8,673.98
4. Step 4: Simplify right side
   12,923.78x = 154,686,942.83
5. Step 5: Solve for x
   x = 154,686,942.83/12,923.78
6. Step 6: Final answer
   x = 11,969.18